Home / 7,430,783.40-11,146,175.10-3,171,382.20

Finding the Fourth Proportional to 7,430,783.40, 11,146,175.10 and 3,171,382.20

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Solution

The fourth proportional to 7,430,783.40, 11,146,175.10 and 3,171,382.20 is: 4,757,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430,783.40 : 11,146,175.10 = 3,171,382.20 : x
  2. Step 2: Convert to fraction form
    7,430,783.40/11,146,175.10 = 3,171,382.20/x
  3. Step 3: Cross multiply
    7,430,783.40x = 11,146,175.10 × 3,171,382.20
  4. Step 4: Simplify right side
    7,430,783.40x = 35,348,781,310,223.22
  5. Step 5: Solve for x
    x = 35,348,781,310,223.22/7,430,783.40
  6. Step 6: Final answer
    x = 4,757,073.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.